82 



CENTRAL EXPERIMENTAL FARM 



PENTSTEMON Con. 



P. glaber, PURSH. Western United 



States. 



Syn. P. speciosa, Dougl. 

 PL, 1902. Tender. 



F. glaber cyananthus. 

 PL, 1907. Tender. 



P. glandulosus, DOUGL. Western North 



America. 

 PL, 1907. 



P. glaucus, K. GRAH. Kocky Moun- 

 tains. 

 PL, 1907. 



P. grandiflorus, FRAS. North America, 

 Syn. P. Bradburii. 

 PL, 1907. 



P. hybrida Newbury Gem. 

 PL, 1908. 



P. Isevigatus, SOLAND. United States. 

 PL, 1896. Hardy. Ht. 2i to 3 ft. 

 FL white tinged with lilac; June 

 21 to Aug. 2. 



**P. laevigatus Digitalis. 



Syn. P. Digitalis. 



PL, 1901. Hardy. Ht. 2 to 3 ft. 

 Fl. white faintly tinged with 

 lilac; June 23 to Aug. 6. 



P. linarioides, A. GRAY. New Mexico. 

 PL, 1905. Tender. 



P. Menziesii, HOOK. North-western 



America. 

 PL, 1895. Half hardy. 



**P. ovatus, DOUGL. North-western Am. 

 PL, 1902. Hardy. Ht. 2 ft. 3 in. 

 FL bluish and lilac purple; June 

 13 to July 13. 



**P. pubescens, SOLAND. North America. 

 PL, 1898. Hardy. Ht. 1* ft. Fl. 

 purplish rose and white; June 11 

 to July 18. 



P. Richardsonii, DOUGL. Oregon, &c. 

 PL, 1896. Tender. 



P.speciosus, Dougl. = P. glaber. 



*P. tubiflorus, NUTT. North-western 



America. 



PL, 1905. Hardy. Ht. 2 ft. FL 

 white tinged with lilac; June 26 

 to July 17. 



PETALOSTEMON, MICHX. PRAIRIE 

 CLOVER. 



(Leguminosce.) 



**P. violaceus, MICHX. North-western 



America. 



PL, 1895. Hardy. Ht. 1 to li ft. 

 FL violet; July 3 to Aug. 22. 



PETASITES, L. BUTTER BURR. 

 (Composite.) 



*P. japonicus giganteus, F. SCHMIDT. 



Island of Sachalin. 

 PL, 1901. Hardy. Ht. 1 to 2 ft. 

 FL greenish; April 20 to May 19. 



PEUCEDANTTM, L. HOG'S FENNEL. 

 (Umbelliferoe.) 



P. macrocarpum, NUTT. North-western 



America. 

 PL, 1897. Hardy. 



PHALARIS, L. CANARY KEED. 

 (Graminece.) 



**P. arundinacea variegata. 



Syn. P. arundinacea picta. 

 PL, 1895. Hardy. Ht. 2 to 3* ft. 

 Foliage variegated. 



P. arundinacea picta = P. arundinacea 

 variegata. 



PHLOMIS, L. JERUSALEM SAGE. 

 (Labiatce.) 



*P. cashmiriana, KOYLE. Himalayas. 

 PL, 1903. Hardy. Ht. 2* to 3 ft. 

 FL rosy lilac. 



P. chrysophylla, Boiss. Syria. 

 PL, 1907. 



P. pratensis, KAR & Km. Siberia. 

 PL, 1907. 



*P. tuberosa, L. South Europe, Asia 



Minor, &c. 



PL, 1898. Hardy. Ht. 3 to 5 ft. 

 F. purplish lilac ; June 13 to July 

 26. 



P. russelliana, Lag. = P. viscosa, Poir. 



P. viscosa, POIR. Syria. 



Syn. P. russelliana, Lag. 

 PL, 1905. Tender. 



